/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.threadsample;

import android.content.Context;
import android.content.Intent;
import android.support.v4.content.LocalBroadcastManager;

public class BroadcastNotifier
{

	private LocalBroadcastManager	mBroadcaster;

	/**
	 * Creates a BroadcastNotifier containing an instance of LocalBroadcastManager. LocalBroadcastManager is more efficient than
	 * BroadcastManager; because it only broadcasts to components within the app, it doesn't have to do parceling and so forth.
	 * 
	 * @param context
	 *            a Context from which to get the LocalBroadcastManager
	 */
	public BroadcastNotifier(Context context)
	{

		// Gets an instance of the support library local broadcastmanager
		mBroadcaster = LocalBroadcastManager.getInstance(context);

	}

	/**
	 * 
	 * Uses LocalBroadcastManager to send an {@link Intent} containing {@code status}. The {@link Intent} has the action
	 * {@code BROADCAST_ACTION} and the category {@code DEFAULT}.
	 * 
	 * @param status
	 *            {@link Integer} denoting a work request status
	 */
	public void broadcastIntentWithState(int status)
	{

		Intent localIntent = new Intent();

		// The Intent contains the custom broadcast action for this app
		localIntent.setAction(Constants.BROADCAST_ACTION);

		// Puts the status into the Intent
		localIntent.putExtra(Constants.EXTENDED_DATA_STATUS, status);
		localIntent.addCategory(Intent.CATEGORY_DEFAULT);

		// Broadcasts the Intent
		mBroadcaster.sendBroadcast(localIntent);

	}

	/**
	 * Uses LocalBroadcastManager to send an {@link String} containing a logcat message. {@link Intent} has the action
	 * {@code BROADCAST_ACTION} and the category {@code DEFAULT}.
	 * 
	 * @param logData
	 *            a {@link String} to insert into the log.
	 */
	public void notifyProgress(String logData)
	{

		Intent localIntent = new Intent();

		// The Intent contains the custom broadcast action for this app
		localIntent.setAction(Constants.BROADCAST_ACTION);

		localIntent.putExtra(Constants.EXTENDED_DATA_STATUS, -1);

		// Puts log data into the Intent
		localIntent.putExtra(Constants.EXTENDED_STATUS_LOG, logData);
		localIntent.addCategory(Intent.CATEGORY_DEFAULT);

		// Broadcasts the Intent
		mBroadcaster.sendBroadcast(localIntent);

	}
}
